NEW VIDEO SERIES

Motivation is one of the most
important topics in the economy,
and here are some ideas /
directions to think about WATCH: What Is Motivation

THE BLOG: Ask Ariely: On Picking Presents, Offering Organs, and Hopping Hotels

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com. ___________________________________________________ Dear Dan, I enjoy giving gifts to my...